* { box-sizing: border-box; margin: 0; padding: 0; }
body { min-height: 100vh; display: grid; place-items: center; padding: 24px; font-family: Inter, system-ui, sans-serif; color: #112b50; background: radial-gradient(ellipse at 15% 10%, #d4e8ff, transparent 55%), radial-gradient(ellipse at 90% 90%, #e1dcff, transparent 45%), #f0f5fb; }
.container { width: 100%; max-width: 450px; }
.login-card { background: #ffffffed; border: 1px solid #fff; border-radius: 22px; padding: 40px; box-shadow: 0 20px 60px #15376312; }
.login-brand { display: flex; align-items: center; justify-content: center; gap: 10px; text-decoration: none; color: #0754b0; margin-bottom: 12px; }
.login-brand img { object-fit: contain; }
.login-brand strong { display: block; font-size: 23px; letter-spacing: -.7px; }
.login-brand strong span { color: #ff7719; }
.login-brand > span > span { font-size: 20px; display: block; color: #ff7719; }
.login-tagline { text-align: center; color: #7a8fae; font-size: 11px; padding-bottom: 28px; border-bottom: 1px solid #e7eef8; margin-bottom: 28px; }
h1 { font-size: 25px; letter-spacing: -.7px; margin-bottom: 8px; }
.login-intro { color: #7487a4; font-size: 13px; margin-bottom: 26px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 12px; font-weight: 600; margin-bottom: 8px; }
.form-group input { font: inherit; width: 100%; background: #f8faff; border: 1px solid #dce7f6; border-radius: 9px; padding: 13px; font-size: 13px; color: #15375e; }
.form-group input::placeholder { color: #93a3b9; }
.form-group input:focus { outline: 3px solid #0062ff15; border-color: #0062ff; }
.btn-login { width: 100%; padding: 13px; color: #fff; border: 0; border-radius: 9px; background: linear-gradient(110deg, #0077ff, #0051f4); font: inherit; font-size: 13px; font-weight: 600; cursor: pointer; box-shadow: 0 6px 15px #0062ff22; }
.btn-login:hover { background: #0051ee; }
.btn-login:disabled { opacity: .65; cursor: wait; }
.error-message, .success-message { display: none; padding: 12px; border-radius: 8px; font-size: 12px; margin-bottom: 18px; line-height: 1.6; }
.error-message { background: #fff0f3; color: #b52f49; }
.success-message { background: #e8f9f3; color: #008765; }
.login-footer { color: #8b9bb2; text-align: center; font-size: 10px; margin-top: 26px; }
@media (max-width: 480px) { body { padding: 16px; } .login-card { padding: 28px; } .login-brand strong { font-size: 21px; } }